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Last edited by Gustav-Landauer-Bibliothek Witten
August 10, 2020
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History of edits to

Carl Sagan and Immanuel Velikovsky

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4 August 10, 2020
Gustav-Landauer-Bibliothek Witten
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3 April 28, 2010
Open Library Bot
 Linked existing covers to the work.    
2 February 12, 2010
WorkBot
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1 December 10, 2009
WorkBot
 add works page